package com.cwz.quartz.utils;

import com.cwz.api.entity.SysJob;
import com.cwz.api.entity.SysJobLog;
import com.cwz.core.constant.ScheduleConstants;
import com.cwz.core.utils.date.DateUtils;
import com.cwz.core.utils.exception.ExceptionUtil;
import com.cwz.core.utils.spring.SpringUtils;
import com.cwz.core.utils.string.StringUtils;
import com.cwz.quartz.service.SysJobLogService;
import lombok.extern.slf4j.Slf4j;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.beans.BeanUtils;

import java.util.Date;

/**
 * @program: w-demo
 * @description: 抽象 quartz job
 * @author: Wen
 **/
@Slf4j
public abstract class AbstractQuartzJob implements Job {
	/**
	 * 线程本地变量
	 */
	private static ThreadLocal<Date> threadLocal = new ThreadLocal<>();

	@Override
	public void execute(JobExecutionContext context) throws JobExecutionException {
		SysJob sysJob = new SysJob();
		BeanUtils.copyProperties(context.getMergedJobDataMap().get(ScheduleConstants.TASK_PROPERTIES), sysJob);
		try {
			before(context, sysJob);
			doExecute(context, sysJob);
			after(context, sysJob, null);
		} catch (Exception e) {
			log.error("任务执行异常  - ：", e);
			after(context, sysJob, e);
		}
	}

	/**
	 * 执行前
	 *
	 * @param context 工作执行上下文对象
	 * @param sysJob 系统计划任务
	 */
	protected void before(JobExecutionContext context, SysJob sysJob) {
		threadLocal.set(DateUtils.getNowDate());
	}

	/**
	 * 执行后
	 *
	 * @param context 工作执行上下文对象
	 * @param sysJob 系统计划任务
	 */
	protected void after(JobExecutionContext context, SysJob sysJob, Exception e) {
		Date startTime = threadLocal.get();
		threadLocal.remove();

		SysJobLog sysJobLog = new SysJobLog();
		sysJobLog.setJobName(sysJob.getJobName());
		sysJobLog.setJobGroup(sysJob.getJobGroup());
		sysJobLog.setInvokeTarget(sysJob.getInvokeTarget());
		sysJobLog.setCreateTime(DateUtils.getNowDate());
		sysJobLog.setStartTime(startTime);
		sysJobLog.setStopTime(DateUtils.getNowDate());
		long runMs = sysJobLog.getStopTime().getTime() - sysJobLog.getStartTime().getTime();
		sysJobLog.setJobMessage(sysJobLog.getJobName() + " 总共耗时：" + runMs + " 毫秒");
		if (e != null) {
			sysJobLog.setStatus("1");
			String errorMsg = StringUtils.substring(ExceptionUtil.getExceptionMessage(e), 0, 2000);
			sysJobLog.setExceptionInfo(errorMsg);
		} else {
			sysJobLog.setStatus("0");
		}
		// 写入数据库当中
		SpringUtils.getBean(SysJobLogService.class).addJobLog(sysJobLog);
	}

	/**
	 * 执行方法，由子类重载
	 *
	 * @param context 工作执行上下文对象
	 * @param sysJob 系统计划任务
	 * @throws Exception 执行过程中的异常
	 */
	protected abstract void doExecute(JobExecutionContext context, SysJob sysJob) throws Exception;
}
